Page 33 - Green Builder April 2017 Issue

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STRUCTURAL SYSTEMS, MATERIALS AND LANDSCAPING

Belgard Aqualine
Permeable Pavers

These permeable pavers
depend on the right gaps and
proper aggregate to maintain
optimal water flow.
The interlocking concrete
pieces are installed with layers
of varying-sized stone or
aggregate underneath. This
enables the paving to mimic
the way natural land absorbs
water—which means that
when it rains, instead of
puddles or possible slick Quikrete Polymer
surfaces to slip on, all that
moisture seeps back into the ground or to the nearest storm drain. Modified
Belgard’s Aqualine Permeable Pavers are part of an imperial 4.5-inch or 6-inch
dimensional increment series and have a raster or footprint that is exactly as Structural Repair
specified, allowing all pieces in each series to fit together as intended. They also
combine structural joints and infiltrating voids to optimize system performance. For all of its usefulness, concrete ultimately
Pavers also contribute to LEED points, and they exceed standards specified in cracks, chips or breaks due to weather, age,
ASTM C936. geographic shifting or random accident.
The pavers also help reduce erosion from dry or dead grass, prevent mosquitos That’s bad news for a company that
that usually breed in standing water, and last longer than conventional paved specializes in concrete and cement
surfaces. products for the home improvement and
They’re not invulnerable. The paver gaps need to be swept and cleaned at least commercial building industries. So Quikrete
a couple times per year to keep water management abilities intact. has come out with a fix-it tool that can keep
existing concrete products, such as
driveways, patios, garage floors, basements
Weyerhaeuser Trus Joist I-Joists and bridge decks, looking good longer.
The company’s Polymer Modified
with Flak Jacket Structural Repair is a rapid-hardening, high-
strength gel-like product designed to handle
partial depth repairs of up to eight inches
How do you make an already-widely used
product even more indispensable? You make and full-depth fixes of up to four inches.
it safer. Weyerhaeuser has upgraded its Good for horizontal and vertical repairs, the
popular Trus Joist I (TJI) with Flak Jacket polymer does not require special curing
Protection to improve fire resistance. The under normal conditions and can set within
product is already a key tool in helping a few hours. The product actually gets
builders create single-family homes that stronger the older it gets during its first
meet ever-changing fire protection codes month. It can be shaped to match
without using gypsum board or sprinklers. surrounding concrete surfaces.
The new Flak Jacket coating, omitted from In addition to being a vital cosmetic repair
the I-Joist’s bottom flange, gives builders the tool, Quikrete’s Polymer Modified has less
ability to install the product in any suitable environmental impact by lengthening the
orientation. This enables them to speed up the construction process while time between a concrete product’s initial
remaining within IRC fire protection code requirements established in 2012. installation, and the point at which it is
The new coating also has a cleaner appearance, which builders prefer because completely replaced. It also saves time,
the joists are used in unfinished basements. The joists can also be easily drilled money and quite a bit of frustration by
and cut on the jobsite for mechanicals and ductwork. And, the product’s owners, according to the company.
modifications make it even easier for builders to achieve one-hour floor-to-
ceiling assemblies in multi-family applications.

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